mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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core/linux-olinuxino to 3.7.2-8 (#715)
This commit is contained in:
Kevin Mihelich
parent
4ae4bed1c2
commit
80a63474ae
2 changed files with 210 additions and 3 deletions
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@ -9,7 +9,7 @@ pkgname=('linux-olinuxino' 'linux-headers-olinuxino')
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_kernelname=${pkgname#linux}
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_basekernel=3.7
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pkgver=${_basekernel}.2
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pkgrel=7
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pkgrel=8
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arch=('arm')
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url="http://www.kernel.org/"
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license=('GPL2')
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@ -23,7 +23,8 @@ source=("http://www.kernel.org/pub/linux/kernel/v3.0/linux-${_basekernel}.tar.xz
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'0001-MXS-imx23-olinuxino-Add-i2c-support.patch'
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'0001-mmc-mxs-mmc-Add-support-for-non-removable-cards.patch'
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'0002-ARM-dts-imx23-olinuxino-Set-the-sdcard-as-non-remova.patch'
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'0001-rtl8192cu.patch')
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'0001-rtl8192cu.patch'
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'memset.patch')
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md5sums=('21223369d682bcf44bcdfe1521095983'
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'b88977838a2a52ff4fb4e82b30726496'
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'8071b37a471aeed304834ad22d0c6ba4'
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@ -32,7 +33,8 @@ md5sums=('21223369d682bcf44bcdfe1521095983'
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'acc5de524247ec1aff5c9af6a486652f'
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'8a034a737c554cc4ef99ca3854ad56d5'
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'ef27d61a159fa9fcba6e7b93e9f630f2'
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'2a2b8c032e3e6f34f72661e861c392e9')
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'2a2b8c032e3e6f34f72661e861c392e9'
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'39be2896f0b968d61a19b33da75ce6e0')
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prepare() {
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cd "${srcdir}/linux-${_basekernel}"
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@ -53,6 +55,7 @@ prepare() {
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patch -Np1 -i "${srcdir}/0001-rtl8192cu.patch"
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patch -Np1 -i "${srcdir}/0001-mmc-mxs-mmc-Add-support-for-non-removable-cards.patch"
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patch -Np1 -i "${srcdir}/0002-ARM-dts-imx23-olinuxino-Set-the-sdcard-as-non-remova.patch"
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patch -Np1 -i "${srcdir}/memset.patch"
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cat "${srcdir}/config" > ./.config
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204
core/linux-olinuxino/memset.patch
Normal file
204
core/linux-olinuxino/memset.patch
Normal file
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@ -0,0 +1,204 @@
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--- a/arch/arm/lib/memset.S
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+++ b/arch/arm/lib/memset.S
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@@ -19,9 +19,9 @@
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1: subs r2, r2, #4 @ 1 do we have enough
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blt 5f @ 1 bytes to align with?
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cmp r3, #2 @ 1
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- strltb r1, [r0], #1 @ 1
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- strleb r1, [r0], #1 @ 1
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- strb r1, [r0], #1 @ 1
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+ strltb r1, [ip], #1 @ 1
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+ strleb r1, [ip], #1 @ 1
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+ strb r1, [ip], #1 @ 1
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add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3))
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/*
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* The pointer is now aligned and the length is adjusted. Try doing the
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@@ -29,10 +29,14 @@
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*/
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ENTRY(memset)
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- ands r3, r0, #3 @ 1 unaligned?
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+/*
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+ * Preserve the contents of r0 for the return value.
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+ */
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+ mov ip, r0
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+ ands r3, ip, #3 @ 1 unaligned?
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bne 1b @ 1
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/*
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- * we know that the pointer in r0 is aligned to a word boundary.
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+ * we know that the pointer in ip is aligned to a word boundary.
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*/
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orr r1, r1, r1, lsl #8
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orr r1, r1, r1, lsl #16
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@@ -43,29 +47,28 @@ ENTRY(memset)
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#if ! CALGN(1)+0
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/*
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- * We need an extra register for this loop - save the return address and
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- * use the LR
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+ * We need 2 extra registers for this loop - use r8 and the LR
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*/
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- str lr, [sp, #-4]!
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- mov ip, r1
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+ stmfd sp!, {r8, lr}
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+ mov r8, r1
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mov lr, r1
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2: subs r2, r2, #64
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- stmgeia r0!, {r1, r3, ip, lr} @ 64 bytes at a time.
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- stmgeia r0!, {r1, r3, ip, lr}
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- stmgeia r0!, {r1, r3, ip, lr}
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- stmgeia r0!, {r1, r3, ip, lr}
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+ stmgeia ip!, {r1, r3, r8, lr} @ 64 bytes at a time.
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+ stmgeia ip!, {r1, r3, r8, lr}
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+ stmgeia ip!, {r1, r3, r8, lr}
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+ stmgeia ip!, {r1, r3, r8, lr}
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bgt 2b
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- ldmeqfd sp!, {pc} @ Now <64 bytes to go.
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+ ldmeqfd sp!, {r8, pc} @ Now <64 bytes to go.
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/*
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* No need to correct the count; we're only testing bits from now on
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*/
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tst r2, #32
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- stmneia r0!, {r1, r3, ip, lr}
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- stmneia r0!, {r1, r3, ip, lr}
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+ stmneia ip!, {r1, r3, r8, lr}
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+ stmneia ip!, {r1, r3, r8, lr}
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tst r2, #16
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- stmneia r0!, {r1, r3, ip, lr}
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- ldr lr, [sp], #4
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+ stmneia ip!, {r1, r3, r8, lr}
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+ ldmfd sp!, {r8, lr}
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#else
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@@ -74,54 +77,54 @@ ENTRY(memset)
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* whole cache lines at once.
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*/
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- stmfd sp!, {r4-r7, lr}
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+ stmfd sp!, {r4-r8, lr}
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mov r4, r1
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mov r5, r1
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mov r6, r1
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mov r7, r1
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- mov ip, r1
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+ mov r8, r1
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mov lr, r1
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cmp r2, #96
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- tstgt r0, #31
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+ tstgt ip, #31
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ble 3f
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- and ip, r0, #31
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- rsb ip, ip, #32
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- sub r2, r2, ip
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- movs ip, ip, lsl #(32 - 4)
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- stmcsia r0!, {r4, r5, r6, r7}
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- stmmiia r0!, {r4, r5}
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- tst ip, #(1 << 30)
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- mov ip, r1
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- strne r1, [r0], #4
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+ and r8, ip, #31
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+ rsb r8, r8, #32
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+ sub r2, r2, r8
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+ movs r8, r8, lsl #(32 - 4)
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+ stmcsia ip!, {r4, r5, r6, r7}
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+ stmmiia ip!, {r4, r5}
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+ tst r8, #(1 << 30)
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+ mov r8, r1
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+ strne r1, [ip], #4
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3: subs r2, r2, #64
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- stmgeia r0!, {r1, r3-r7, ip, lr}
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- stmgeia r0!, {r1, r3-r7, ip, lr}
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+ stmgeia ip!, {r1, r3-r8, lr}
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+ stmgeia ip!, {r1, r3-r8, lr}
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bgt 3b
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- ldmeqfd sp!, {r4-r7, pc}
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+ ldmeqfd sp!, {r4-r8, pc}
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tst r2, #32
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- stmneia r0!, {r1, r3-r7, ip, lr}
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+ stmneia ip!, {r1, r3-r8, lr}
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tst r2, #16
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- stmneia r0!, {r4-r7}
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- ldmfd sp!, {r4-r7, lr}
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+ stmneia ip!, {r4-r7}
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+ ldmfd sp!, {r4-r8, lr}
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#endif
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4: tst r2, #8
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- stmneia r0!, {r1, r3}
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+ stmneia ip!, {r1, r3}
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tst r2, #4
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- strne r1, [r0], #4
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+ strne r1, [ip], #4
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/*
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* When we get here, we've got less than 4 bytes to zero. We
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* may have an unaligned pointer as well.
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*/
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5: tst r2, #2
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- strneb r1, [r0], #1
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- strneb r1, [r0], #1
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+ strneb r1, [ip], #1
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+ strneb r1, [ip], #1
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tst r2, #1
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- strneb r1, [r0], #1
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+ strneb r1, [ip], #1
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mov pc, lr
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ENDPROC(memset)
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--- a/arch/arm/lib/memset.S
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+++ b/arch/arm/lib/memset.S
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@@ -14,31 +14,15 @@
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.text
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.align 5
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- .word 0
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-
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-1: subs r2, r2, #4 @ 1 do we have enough
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- blt 5f @ 1 bytes to align with?
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- cmp r3, #2 @ 1
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- strltb r1, [ip], #1 @ 1
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- strleb r1, [ip], #1 @ 1
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- strb r1, [ip], #1 @ 1
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- add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3))
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-/*
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- * The pointer is now aligned and the length is adjusted. Try doing the
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- * memset again.
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- */
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ENTRY(memset)
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-/*
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- * Preserve the contents of r0 for the return value.
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- */
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- mov ip, r0
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- ands r3, ip, #3 @ 1 unaligned?
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- bne 1b @ 1
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+ ands r3, r0, #3 @ 1 unaligned?
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+ mov ip, r0 @ preserve r0 as return value
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+ bne 6f @ 1
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/*
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* we know that the pointer in ip is aligned to a word boundary.
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*/
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- orr r1, r1, r1, lsl #8
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+1: orr r1, r1, r1, lsl #8
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orr r1, r1, r1, lsl #16
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mov r3, r1
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cmp r2, #16
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@@ -127,4 +111,13 @@ ENTRY(memset)
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tst r2, #1
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strneb r1, [ip], #1
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mov pc, lr
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+
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+6: subs r2, r2, #4 @ 1 do we have enough
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+ blt 5b @ 1 bytes to align with?
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+ cmp r3, #2 @ 1
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+ strltb r1, [ip], #1 @ 1
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+ strleb r1, [ip], #1 @ 1
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+ strb r1, [ip], #1 @ 1
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+ add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3))
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+ b 1b
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ENDPROC(memset)
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